CVE-2026-19895
LowCVSS 3.7Exploitation Probability (EPSS)
Low risk34th percentile - higher than 34% of all known CVEs
Summary
In the Open Source Point of Sale (opensourcepos) up to version 3.4.2, a vulnerability was found in the Login::index function in app/Config/Filters.php. The issue is improper restriction of excessive authentication attempts, allowing brute-force attacks. The attack is remote but requires high complexity. The exploit has been published, and the project has not responded.
Risk Assessment
Lack of login attempt restrictions can allow an attacker to perform brute-force attacks, potentially leading to unauthorized access to the point of sale system.
Recommendation
Restrict access to the login panel, implement lockout mechanisms after failed attempts, and monitor logs for suspicious activity.
Other vulnerabilities in Open Source Point of Sale
See all- CVE-2026-8803Low
In opensourcepos Open Source Point of Sale up to 3.4.2, the Login function in app/Models/Employee.php (Employee Login component) uses a weak hash. Remote exploitation is possible but of high complexity; the vendor states the code remains for the upgrade path and passwords are migrated to a newer hash after login.
- CVE-2026-32712Medium
Open Source Point of Sale prior to version 3.4.3 has a stored XSS vulnerability in the Daily Sales management table. The customer_name column is rendered as raw HTML, allowing an attacker with customer management permissions to inject JavaScript via first_name or last_name fields.
- CVE-2026-39380Medium
Stored XSS vulnerability in Open Source Point of Sale before version 3.4.3. Insufficient input sanitization in the stock_location parameter allows injection of malicious JavaScript that executes in the Employees interface.
- CVE-2025-68147High
In Open Source Point of Sale (opensourcepos) versions 3.4.0 through 3.4.1, there is a stored XSS vulnerability in the "Return Policy" configuration field. The application does not properly sanitize user input before saving it to the database or displaying it on receipts, allowing an attacker with access to store configuration to inject malicious JavaScript.
- CVE-2025-66924Medium
A Cross-site scripting (XSS) vulnerability in Create/Update Item Kit(s) in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the "name" parameter.
- CVE-2025-66923High
A Cross-site scripting (XSS) vulnerability in Create/Update Customer(s) in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the phone_number parameter.
- CVE-2025-66921High
A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the "name" parameter.
Original NVD description (English source)
A vulnerability was detected in opensourcepos Open Source Point of Sale up to 3.4.2. This affects the function Login::index of the file app/Config/Filters.php of the component Login Endpoint. The manipulation results in improper restriction of excessive authentication attempts. The attack may be launched remotely. The attack requires a high level of complexity. It is indicated that the exploitability is difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS